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Refactoring points

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Signed-off-by: Mark Tolmacs <mark@lazycat.hu>
This commit is contained in:
Mark Tolmacs 2024-09-20 21:32:32 +02:00
parent 8ca4cf3260
commit b4cb314090
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40 changed files with 746 additions and 783 deletions
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24
packages/math/polygon.ts
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@ -1,6 +1,6 @@
import { pointsEqual } from "./point";
import { lineSegment, pointOnLineSegment } from "./segment";
import type { GlobalPoint, LocalPoint, Polygon } from "./types";
import type { GlobalPoint, LocalPoint, Polygon, ViewportPoint } from "./types";
import { PRECISION } from "./utils";
export function polygon<Point extends GlobalPoint | LocalPoint>(
@ -9,13 +9,15 @@ export function polygon<Point extends GlobalPoint | LocalPoint>(
return polygonClose(points) as Polygon<Point>;
}
export function polygonFromPoints<Point extends GlobalPoint | LocalPoint>(
points: Point[],
) {
export function polygonFromPoints<
Point extends GlobalPoint | LocalPoint | ViewportPoint,
>(points: Point[]) {
return polygonClose(points) as Polygon<Point>;
}
export const polygonIncludesPoint = <Point extends LocalPoint | GlobalPoint>(
export const polygonIncludesPoint = <
Point extends LocalPoint | GlobalPoint | ViewportPoint,
>(
point: Point,
polygon: Polygon<Point>,
) => {
@ -40,7 +42,9 @@ export const polygonIncludesPoint = <Point extends LocalPoint | GlobalPoint>(
return inside;
};
export const pointOnPolygon = <Point extends LocalPoint | GlobalPoint>(
export const pointOnPolygon = <
Point extends LocalPoint | GlobalPoint | ViewportPoint,
>(
p: Point,
poly: Polygon<Point>,
threshold = PRECISION,
@ -57,7 +61,7 @@ export const pointOnPolygon = <Point extends LocalPoint | GlobalPoint>(
return on;
};
function polygonClose<Point extends LocalPoint | GlobalPoint>(
function polygonClose<Point extends LocalPoint | GlobalPoint | ViewportPoint>(
polygon: Point[],
) {
return polygonIsClosed(polygon)
@ -65,8 +69,8 @@ function polygonClose<Point extends LocalPoint | GlobalPoint>(
: ([...polygon, polygon[0]] as Polygon<Point>);
}
function polygonIsClosed<Point extends LocalPoint | GlobalPoint>(
polygon: Point[],
) {
function polygonIsClosed<
Point extends LocalPoint | GlobalPoint | ViewportPoint,
>(polygon: Point[]) {
return pointsEqual(polygon[0], polygon[polygon.length - 1]);
}